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Porth Ceriad Surf Forecast
/ Wales – Lleyn (14 surf breaks) /
Surf Forecasts:
Porth Ceriad surfForecast / Wales – Lleyn / UK
48hr Weather and Surf, issued 12 pm Tuesday 12 May 2026 BSTForecast update in hr min s Forecast update imminent
Porth Ceriad surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Porth Ceriad sea temperature is
12.0° C
(Which is 1.6°C warmer than normal for this time of year)How big are the waves at Porth Ceriad today?
The current surf forecast for Porth Ceriad at 7PM is: 0.1m 18s primary swell from a West direction and 0.1m 8s secondary swell from a Southwest direction, 0.3m 4s secondary swell from a West-southwest direction (forecast issued at 12:00pm May 12). An open ocean swell of 0.6m 5s is not directed at the surf break. The wind direction is predicted to be cross-onshore.
| Time (BST) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (12 May) | 0.5ft (0.1m) | 9s |
| Afternoon (12 May) | 0.5ft (0.1m) | 18s |
| Evening (12 May) | 0.5ft (0.1m) | 18s |
Table - waves today at Porth Ceriad. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 7mm), mostly falling on Tue night. Very mild (max 12°C on Tue afternoon, min 8°C on Tue night). Winds increasing (light winds from the WNW on Tue afternoon, strong winds from the WNW by Tue night). | ||||||||||||||||||||||||
Tue 12 | Wednesday 13 | Thursday 14 | Fri 15 | |||||||||||||||||||||
10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | 10 AM | 1 PM | 4 PM | 7 PM | 10 PM | 1 AM | 4 AM | 7 AM | |
Swell Height Map |    |    |    |    | ||||||||||||||||||||
SW 9 | W 18 | W 18 | W 18 | SW 8 | SW 8 | WNW 6 | WNW 7 | WNW 7 | NW 7 | WSW 7 | WSW 7 | WSW 6 | NW 7 | NW 7 | SW 16 | NW 6 | SW 15 | W 15 | SW 14 | SW 14 | SW 14 | SW 14 | SW 14 | |
3 | 7 | 6 | 6 | 3 | 3 | 0 | 394 | 424 | 289 | 61 | 41 | 16 | 391 | 514 | 10 | 238 | 8 | 8 | 8 | 8 | 8 | 8 | 8 | |
Wind (km/h) | ||||||||||||||||||||||||
cross | cross-off | cross-off | cross-on | cross-off | cross | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | off | off | off | off | off | off | off | |
High Tide | 5:41PM3.23m | 5:57AM3.67m | 6:31PM3.61m | 6:47AM4.01m | 7:16PM3.98m | |||||||||||||||||||
Low Tide | 12:12PM1.00m | 00:29AM1.17m | 1:06PM0.74m | 1:23AM0.92m | 1:54PM0.50m | 2:13AM0.65m | ||||||||||||||||||
 |  |  | |  |  |  |  |  | | | | |  | | | | | | | | | | | |
 | 5:26 | — | — | — | — | — | 5:24 | — | — | — | — | — | — | — | 5:22 | — | — | — | — | — | — | — | 5:20 | — |
 | — | — | — | 9:02 | — | — | — | — | — | — | — | 9:04 | — | — | — | — | — | — | — | 9:06 | — | — | — | 9:07 |
— | — | — | — | — | — | 1 | 1 | 1 | — | — | — | — | — | 1 | 1 | 1 | 1 | — | — | — | — | — | — | |
Temp °C | 9 | 10 | 11 | 12 | 11 | 9 | 9 | 8 | 9 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 10 | 11 | 10 | 9 | 9 | 9 |
3 | 2 | 6 | 7 | 2 | -1 | -1 | -3 | -2 | 0 | 1 | 2 | -1 | -1 | -1 | 0 | 0 | 0 | 2 | 3 | 6 | 4 | 3 | 1 | |
Swell 1 Height (m) Direction Period (s) | SW 9 | SW 8 | SW 8 | NNW 5 | SW 8 | SW 8 | — | W 17 | W 16 | WSW 7 | WSW 7 | WSW 7 | WSW 6 | SW 16 | SW 16 | SW 16 | SW 15 | SW 15 | SW 14 | WSW 6 | SW 5 | SW 14 | SW 14 | SW 14 |
 kJ | 3 | 3 | 3 | 15 | 3 | 3 | — | 6 | 5 | 62 | 61 | 41 | 16 | 10 | 10 | 10 | 9 | 8 | 8 | 3 | 1 | 8 | 8 | 8 |
Swell 2 Height (m) Direction Period (s) | — | W 18 | W 18 | SW 8 | — | — | — | — | — | SW 16 | SW 16 | SW 16 | SW 16 | W 16 | W 16 | W 16 | W 15 | SW 15 | W 15 | SW 14 | SW 14 | — | W 6 | W 14 |
| kJ | — | 7 | 6 | 3 | — | — | — | — | — | 10 | 10 | 10 | 10 | 5 | 5 | 5 | 5 | 8 | 4 | 8 | 8 | — | 1 | 4 |
Swell 3 Height (m) Direction Period (s) | — | — | W 18 | W 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | W 14 | — | — |
| kJ | — | — | 6 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — |
Wind waves Height (m) Direction Period (s) | WNW 4 | NW 4 | NW 5 | WSW 4 | WNW 4 | W 5 | WNW 6 | WNW 7 | WNW 7 | NW 7 | NW 6 | NW 6 | NNW 6 | NW 7 | NW 7 | NW 7 | NW 6 | NW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 6 | NNW 7 | NNW 6 |
| kJ | 10 | 32 | 31 | 3 | 16 | 94 | 240 | 394 | 424 | 289 | 187 | 190 | 216 | 391 | 514 | 362 | 238 | 209 | 159 | 119 | 91 | 122 | 165 | 96 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 317 | 325 | 412 | 317 | 317 | 307 | 317 | 318 | 639 | 918 | 914 | 914 | 571 | 571 | 292 | 292 | 314 | 314 | 308 | 319 | 36 | 133 | 46 | 308 |
Best forecast wave conditions in Lleyn Peninsula | ||||||||||||||||||||||||
Best forecast wave conditions in United Kingdom | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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